Keystones — Bedrock
Five GCSE retrieval questions · 9 June 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 27
Answer: 21 + 27 = 48 -
2. Algebra Substitution
If x = 7, find the value of 8x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 19, 11, 6
Answer: 12